Home / 120,294,176.10-166,006,124.37-65,290,018.02

Finding the Fourth Proportional to 120,294,176.10, 166,006,124.37 and 65,290,018.02

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Solution

The fourth proportional to 120,294,176.10, 166,006,124.37 and 65,290,018.02 is: 90,100,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,294,176.10 : 166,006,124.37 = 65,290,018.02 : x
  2. Step 2: Convert to fraction form
    120,294,176.10/166,006,124.37 = 65,290,018.02/x
  3. Step 3: Cross multiply
    120,294,176.10x = 166,006,124.37 × 65,290,018.02
  4. Step 4: Simplify right side
    120,294,176.10x = 10,838,542,851,547,662
  5. Step 5: Solve for x
    x = 10,838,542,851,547,662/120,294,176.10
  6. Step 6: Final answer
    x = 90,100,312.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.